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Author:
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Year:
Volume:
Issue:
jian bian ding xiang jiu xie qi
Author(s):
ZHONG Nan309duishengchanzu
Pages:
37
-
39
Year:
1973
Issue:
1
Journal:
Exploration Engineering(Drilling & Tunneling)
Keyword:
纠斜
;
偏心楔
;
楔子
;
带键
;
岩心管接头
;
定向孔
;
下钻
;
钻孔弯曲
;
套管
;
工作地区
;
Abstract:
<正>我队工作地区钻孔弯曲严重,曾用过多种纠斜方法,效果都较差。用偏重活动纠斜器,虽然简便,但把握性不大;下死楔子丢在井里往往留有后患。去年下半年以来,我队广大革命职工,在毛主席革命路线指引下,在钻探的实践中,研究试用了一种简便
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